255148131

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{27803}}^1$

素因数の和:27855

約数の個数: 32

約数和(自身を含む): 427069440

約数和(自身を除く): 171921309

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 133, 161, 399, 437, 483, 1311, 3059, 9177, 27803, 83409, 194621, 528257, 583863, 639469, 1584771, 1918407, 3697799, 4476283, 11093397, 12149911, 13428849, 36449733, 85049377, 255148131]

約数ペア:

[(1, 255148131), (3, 85049377), (7, 36449733), (19, 13428849), (21, 12149911), (23, 11093397), (57, 4476283), (69, 3697799), (133, 1918407), (161, 1584771), (399, 639469), (437, 583863), (483, 528257), (1311, 194621), (3059, 83409), (9177, 27803)]